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Date: Thu, 11 Jun 2026 02:25:39 +0200
From: Pablo Neira Ayuso <pablo@netfilter.org>
To: kernel test robot <lkp@intel.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: Re: net/netfilter/nfnetlink_cthelper.c:227:6: warning: variable
 'ret' is used uninitialized whenever 'if' condition is true
Message-ID: <aioAgw4VQVAL78nj@chamomile>
References: <202606110148.Pn8XckYm-lkp@intel.com>
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In-Reply-To: <202606110148.Pn8XckYm-lkp@intel.com>

On Thu, Jun 11, 2026 at 01:32:48AM +0200, kernel test robot wrote:
> vim +227 net/netfilter/nfnetlink_cthelper.c
> 
>    209	
>    210	static int
>    211	nfnl_cthelper_create(const struct nlattr * const tb[],
>    212			     struct nf_conntrack_tuple *tuple)
>    213	{
>    214		struct nf_conntrack_helper *helper;
>    215		struct nfnl_cthelper *nfcth;
>    216		unsigned int size;
>    217		int ret;
>    218	
>    219		if (!tb[NFCTH_TUPLE] || !tb[NFCTH_POLICY] || !tb[NFCTH_PRIV_DATA_LEN])
>    220			return -EINVAL;
>    221	
>    222		nfcth = kzalloc_obj(*nfcth, GFP_KERNEL_ACCOUNT);
>    223		if (nfcth == NULL)
>    224			return -ENOMEM;
>    225	
>    226		helper = kzalloc_obj(*helper, GFP_KERNEL_ACCOUNT);
>  > 227		if (!helper)
>    228			goto err_cth;

This seems to be running on an older patch.